click to show more information

click to hide/show information About your Search

20121128
20121206
Search Results 0 to 3 of about 4 (some duplicates have been removed)
's like building a brick wall around a city and protecting it against an enemy. it's excellent protection against something entering our community that could cause illness. >> narrator: very strong herd community could completely eradicate many vaccine- preventable diseases, rendering vaccines unnecessary. this happened with smallpox in the 1970s. a decade ago, the world health organization had plans to eradicate polio, followed by measles, but vaccine scares around the world served to chip away at herd immunity, pushing these goals into the future. >> many of these germs belong to us only, which means if we can make enough humans immune simultaneously, we could eradicate them. and then, yes, we could stop vaccinating. there was actually a campaign hoping to eradicate polio from planet earth, as we did small pox, and notice we're not vaccinating anymore for smallpox because it's gone. but at the moment, at least, while they're in the world, there still is the potential for outbreaks if people are willing to stop vaccinating prematurely. >> narrator: why is it so hard for some americans to
the whole city. >> "al qaeda in yemen." >> frontline continues online. explore the reporting on "cell tower deaths" from our partners at propublica, more about who's responsible for a worker's safety from osha's jordan barab, and read at&t's statement to frontline. get insights into working at mf global from a former broker. >> sipping the kool-aid at that time. >> learn more about the volckr rule, and follow frontline on facebook and twitter, or tell us what you think at pbs.org/frontline. >> frontline is made possible by contributions to your pbs station from viewers like you. thank you. and by the corporation for public broadcasting. major funding is provided by the john d. and catherine t. macarthur foundation, committed to building a more just, verdant, and peaceful world. and by reva and david logan, committed to investigative journalism as the guardian of the public interest. additional funding is provided by the park foundation, dedicated to heightening public awareness of critical issues. and by tfrontline journalism fund, supporting investigative reporting and enterprpr
Search Results 0 to 3 of about 4 (some duplicates have been removed)